19257120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 67459392

約数和(自身を除く): 48202272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 311, 344, 360, 387, 430, 480, 516, 622, 645, 688, 720, 774, 860, 933, 1032, 1244, 1290, 1376, 1440, 1548, 1555, 1720, 1866, 1935, 2064, 2488, 2580, 2799, 3096, 3110, 3440, 3732, 3870, 4128, 4665, 4976, 5160, 5598, 6192, 6220, 6880, 7464, 7740, 9330, 9952, 10320, 11196, 12384, 12440, 13373, 13995, 14928, 15480, 18660, 20640, 22392, 24880, 26746, 27990, 29856, 30960, 37320, 40119, 44784, 49760, 53492, 55980, 61920, 66865, 74640, 80238, 89568, 106984, 111960, 120357, 133730, 149280, 160476, 200595, 213968, 223920, 240714, 267460, 320952, 401190, 427936, 447840, 481428, 534920, 601785, 641904, 802380, 962856, 1069840, 1203570, 1283808, 1604760, 1925712, 2139680, 2407140, 3209520, 3851424, 4814280, 6419040, 9628560, 19257120]

約数ペア:

[(1, 19257120), (2, 9628560), (3, 6419040), (4, 4814280), (5, 3851424), (6, 3209520), (8, 2407140), (9, 2139680), (10, 1925712), (12, 1604760), (15, 1283808), (16, 1203570), (18, 1069840), (20, 962856), (24, 802380), (30, 641904), (32, 601785), (36, 534920), (40, 481428), (43, 447840), (45, 427936), (48, 401190), (60, 320952), (72, 267460), (80, 240714), (86, 223920), (90, 213968), (96, 200595), (120, 160476), (129, 149280), (144, 133730), (160, 120357), (172, 111960), (180, 106984), (215, 89568), (240, 80238), (258, 74640), (288, 66865), (311, 61920), (344, 55980), (360, 53492), (387, 49760), (430, 44784), (480, 40119), (516, 37320), (622, 30960), (645, 29856), (688, 27990), (720, 26746), (774, 24880), (860, 22392), (933, 20640), (1032, 18660), (1244, 15480), (1290, 14928), (1376, 13995), (1440, 13373), (1548, 12440), (1555, 12384), (1720, 11196), (1866, 10320), (1935, 9952), (2064, 9330), (2488, 7740), (2580, 7464), (2799, 6880), (3096, 6220), (3110, 6192), (3440, 5598), (3732, 5160), (3870, 4976), (4128, 4665)]